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Finding the Fourth Proportional to 47.00, 69.92 and 46.58

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Solution

The fourth proportional to 47.00, 69.92 and 46.58 is: 69.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.00 : 69.92 = 46.58 : x
  2. Step 2: Convert to fraction form
    47.00/69.92 = 46.58/x
  3. Step 3: Cross multiply
    47.00x = 69.92 × 46.58
  4. Step 4: Simplify right side
    47.00x = 3,256.29
  5. Step 5: Solve for x
    x = 3,256.29/47.00
  6. Step 6: Final answer
    x = 69.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.